﻿using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using Hisun.Models;
using Hisun.Controllers;
using System.Collections.Generic;
using System.Text;

namespace Hisun.View.Meterial
{
    public partial class InsertDirectMeterial_SelectMeterialId : System.Web.UI.Page
    {
        HisunDBDataContext db = new HisunDBDataContext();
        protected void Page_Load(object sender, EventArgs e)
        {

        }


        private void BindMyData(int PageIndex)
        {

            int skipAccount = PageIndex * 20;
            switch (DropDownList_Field.SelectedIndex)
            {
                case 0:
                    var MyQuery = (from a in db.VABC_JS_ProductAndMeterial where a.材料ID.Contains(TextBox_QueryValue.Text) orderby a.材料ID select a).Skip(skipAccount).Take(20);
                    GridView_MeterialQuery.DataSource = MyQuery;
                    GridView_MeterialQuery.DataBind();
                    break;
                case 1:
                    var MyQuery2 = (from a in db.VABC_JS_ProductAndMeterial where a.材料名称.Contains(TextBox_QueryValue.Text) orderby a.材料ID select a).Skip(skipAccount).Take(20);
                    GridView_MeterialQuery.DataSource = MyQuery2;
                    GridView_MeterialQuery.DataBind();
                    break;
            }



        }

        //查询出当前记录信息的总条数。
        private int TotalPageAmount()
        {
            int MyQuery = 0;
            switch (DropDownList_Field.SelectedIndex)
            {
                case 0:
                    MyQuery = (from a in db.VABC_JS_ProductAndMeterial where a.材料ID.Contains(TextBox_QueryValue.Text) select a).Count();
                    break;
                case 1:
                    MyQuery = (from a in db.VABC_JS_ProductAndMeterial where a.材料名称.Contains(TextBox_QueryValue.Text) select a).Count();

                    break;
            }

            return MyQuery;
        }


        //点击按钮，执行查询
        protected void MyClick(object sender, EventArgs e)
        {


            int pageIndx = Convert.ToInt32(CurrentPage.Value);
            int Totals = TotalPageAmount();



            int pages = (Totals % 20) == 0 ? (Totals / 20) : (Totals / 20 + 1);

            Label_Total.Text = "共" + pages.ToString();

            if (typeof(Button).IsInstanceOfType(sender))
            {
                string arg = ((Button)sender).CommandArgument.ToString().ToLower();

                switch (arg)
                {
                    case "first":

                        pageIndx = 0;

                        break;
                    case "gotopage":
                        if (TextBox_PageIndex.Text == "")
                        { pageIndx = 0; }
                        else
                        {
                            int xx = Convert.ToInt32(TextBox_PageIndex.Text);
                            if (xx > pages)
                            { pageIndx = pages - 1; }

                            else
                            { pageIndx = xx - 1; }


                        }
                        break;
                }

            }
            else if (typeof(LinkButton).IsInstanceOfType(sender))
            {

                string arg = ((LinkButton)sender).CommandArgument.ToString().ToLower();

                switch (arg)
                {
                    case "prev":
                        if (pageIndx > 0)
                        {
                            pageIndx = pageIndx - 1;
                        }
                        break;
                    case "next":
                        if (pageIndx < pages - 1)
                        {
                            pageIndx = pageIndx + 1;
                        }
                        break;
                    case "last":
                        pageIndx = pages - 1;
                        break;
                    case "first":
                        pageIndx = 0;
                        break;
                }

            }

            CurrentPage.Value = pageIndx.ToString();  //对保存页码状态信息的隐藏字段进行赋值。保存当前页码。
            Label_CurrenPageAndTo.Text = "页，当前第" + (pageIndx + 1).ToString() + " 页，转到";

            BindMyData(pageIndx);

        }

        protected void Button_Select_Command(object sender, CommandEventArgs e)
        {
            string MeterialInfo = (string)e.CommandArgument;

            var my = (from a in db.VABC_JS_ProductAndMeterial where a.材料ID == MeterialInfo select a).Single();
            MeterialInfo = MeterialInfo + "&" + my.材料名称 + "&" + my.计量单位 + "&" + my.产品领料;
            StringBuilder s = new StringBuilder();
            s.Append("<script language=javascript>" + "\n");
            s.Append("window.returnValue='" + MeterialInfo.Trim() + "';" + "\n");
            s.Append("window.close();" + "\n");
            s.Append("</script>");
            Type cstype = this.GetType();
            ClientScriptManager cs = Page.ClientScript;
            string csname = "ltype";
            if (!cs.IsStartupScriptRegistered(cstype, csname))
                cs.RegisterStartupScript(cstype, csname, s.ToString());
        }
    }
}
